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3 Conservation of energy

3 Conservation of energy

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Question 25

A student wants to investigate how the surface colour of a metal container affects the rate at which it emits thermal energy to its surroundings.

The student is provided with:

  • Two identical metal cans (one with a matt black surface, one with a polished silver surface)
  • Two thermometers
  • Two insulating lids with holes for the thermometers
  • Two heatproof mats
  • A digital stopwatch
  • A kettle to heat water
  • A measuring cylinder

Draw a labelled diagram to show how the student should set up this equipment to compare the rate of thermal energy transfer from each can.

[3]
Markscheme

3 Conservation of energy Questions

  1. GCSE
  2. /Physics
  3. /3 Conservation of energy

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